package com.example.demo.util.common;/**
 * Created by penglee on 2019/7/2.
 */

import java.util.UUID;

/**
 * UUIDUtil
 * <p>
 * Description: <br>
 * Created in 2019/7/2 09:09 <br>
 *
 * @author 李鹏
 */
public class UUIDUtil {
    public static String[] chars = new String[]{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
            "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8",
            "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
            "U", "V", "W", "X", "Y", "Z"};

    /**
     * Description: getRemoveLineUuid
     * Params: []
     * Return: java.lang.String
     * CreateDate: Created in
     * Modify:
     * Author: 李鹏
     */
    public static String getRemoveLineUuid() {
        return UUID.randomUUID().toString().replace("-", "" );
    }

    /**
     * Description: getShortUuid
     * Params: []
     * Return: java.lang.String
     * CreateDate: Created in
     * Modify:
     * Author: 李鹏
     */
    public static String getShortUuid() {
        StringBuffer shortBuffer = new StringBuffer();
        String uuid = UUID.randomUUID().toString().replace("-", "" );
        for (int i = 0; i < 8; i++) {
            String str = uuid.substring(i * 4, i * 4 + 4);
            int x = Integer.parseInt(str, 16);
            shortBuffer.append(chars[x % 0x3E]);
        }
        return shortBuffer.toString();
    }
}
